flitter vs palpitate

flitter

verb
  • To move about rapidly and nimbly. 

  • To scatter in pieces. 

  • To flutter or quiver. 

  • To move quickly from one condition or location to another. 

noun
  • Any of various hesperiid butterflies of the genus Hyarotis. 

  • A fluttering movement 

  • A small aircraft or spacecraft. 

  • A small perceptible feeling 

  • A rag; a tatter; a small piece or fragment. 

palpitate

verb
  • To cause to beat strongly or rapidly. 

  • To beat strongly or rapidly; said especially of the heart. 

  • To shake tremulously 

How often have the words flitter and palpitate occurred in a corpus of books? (source: Google Ngram Viewer )